JLL Posted April 23, 2006 Share Posted April 23, 2006 As per the title, I have an Eheim ecco 2236 and an Aquaclear 500 on my 5ft tank. The Eheim flow rate only reaches 270l/hr when clean and this seems to get as low as 120l/hr within a few weeks (90cm head). If I clean the filter there appears to be nothing much there to suggest a blockage. The hang on does not have any such issue. The setup is as per the Eheim guide and has all Eheim media. What flow rate should I expect from this setup when clean? Cheers John Link to comment Share on other sites More sharing options...
wui39 Posted April 23, 2006 Share Posted April 23, 2006 Eheim quotes 600lph for what I believe to be at 0 height. The max height they say is 1.3m. So 300lph at .9m would sound reasonable. Link to comment Share on other sites More sharing options...
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